PTFE Sleeved Plug Valve
PTFE Sleeved Plug Valve Manufacturer
MVS Valve designs and manufactures precision-engineered PTFE Sleeved Plug Valves, offering a non-lubricated, quarter-turn solution for shut-off applications across corrosive and critical flow processes. These valves are lined internally with a chemically inert PTFE sleeve, which provides a bubble-tight seal around the plug while ensuring resistance to a wide range of aggressive fluids. The compact design and full port construction allow for unobstructed flow and minimal pressure drop, making them ideal for applications that demand cleanliness, durability, and consistent performance.
Built to meet stringent API 6D and API 599 standards, the PTFE Sleeved Plug Valve is available in Class 150 and Class 300 pressure ratings and size ranges from ½” to 16″. Whether used in chemical processing, petrochemicals, pharmaceuticals, or power plants, these valves deliver long service life with minimal maintenance thanks to their non-lubricated construction.
Material flexibility is a key advantage, and we offer specialized configurations such as carbon steel two-way plug valves with PTFE Sleeve class 150, stainless steel two way sleeved plug valve class 300, and super duplex Sleeved plug valve with gear box class 150 for highly corrosive and abrasive media. for automated solutions, our Hastelloy Sleeved plug valve with pneumatic actuator offers excellent flow control with high corrosion resistance. we also offer niche variants including Nickel Monel full port Sleeved plug valve class 300 and alloy steel jacketed sleeved plug valve class 150, catering to applications involving extreme temperatures or media requiring insulation.
each Sleeved male valve class 150 class 300 is tested to ensure tight shut-off and long-term reliability, even in fluctuating operating conditions. these valves operate smoothly without the need for continuous lubrication and are suited for both manual and automated actuations. mvs’s PTFE Sleeved plug valves class 150 and PTFE Sleeved plug valve class 300 reflect a commitment to innovation, quality, and customer-specific engineering, providing robust solutions to meet today’s industrial challenges.
Specification
| Specification | Details |
|---|---|
| Standards | API 6D, API 599 face‑to‑face ASME B16.10, flange ASME B16.5 |
| Testing Standard | API 598 |
| Size Range | ½″–16″ (15 mm–400 mm) |
| Pressure Class | Class 150#, 300# |
| Temperature Range | –29 °C to +180 °C |
| End Connections | Flanged (ASME B16.5 / DIN), Screwed or Threaded, Socket‑weld optional |
| Operation Modes | Manual (lever/handwheel), worm‑gear, pneumatic, electric |
| Flow Direction | Bidirectional |
| Features | 360° metal‑edge sleeve retention, no body cavity, self‑cleaning |
| Customization | Materials, flange size, trims tailored per project need |
Material of Construction
| Body & Bonnet |
Gmonite, Nickel, Inconel, Hastelloy, Monel, Super Duplex, Alloy Steel, Stainless Steel, Carbon Steel |
| Plug / Cartridge |
Gmonite, Nickel, Inconel, Hastelloy, Monel, Super Duplex, Alloy Steel, Stainless Steel, Carbon Steel |
| Sleeve | PTFE, Glass PTFE, Carbon PTFE, Graphite PTFE, RBC 006, TFM |
| Stem Packing | PTFE or Graphite |
| Seals & Diaphragms | PTFE, PTFE/Graphite blends, flexible metal/PTFE diaphragms |
| Fasteners | SS bolts, nuts (e.g. A4‑70), washers, adjustment screws |
Application Industries

Crude Oil & Natural Gas Industry

Chemical & Petrochemical Industry

Water & Wastewater Treatment

Nuclear & Thermal Power Generation

Food & Beverage Industry

Pharmaceutical & Biotechnology

Pulp & Paper Industry

Mining & Mineral Processing

Marine & Shipbuilding

HVAC & Building Services

Automotive & Paint Chemical Manufacturing

Environmental & Bio Gas Renewable Energy

Steel & Metal Processing

Fertilizer Plants, Polymer Production

Cosmetics & Personal Care

Cement & Construction

Chlor-Alkali Industry

Mineral Acids Industry
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